HeaderView for https://github.com/yfujiki/SwiftUICollectionLayoutSample

SwiftUICollectionLayoutSample-HeaderView.swift

struct HeaderView: View {
    @State var headerText: String

    var body: some View {
        HStack {
            Text(headerText)
                .color(.white)
                .padding(10)
            }
            .frame(width: UIScreen.main.bounds.width, height: 44, alignment: Alignment.leading)
            .background(Color.gray)
    }
}